01.03.2022 23:59, Vladimir Sementsov-Ogievskiy wrote:
@@ -273,9 +311,9 @@ cbw_co_snapshot_block_status(BlockDriverState *bs,
assert(ret & BDRV_BLOCK_ALLOCATED);
}
-cbw_snapshot_read_unlock(bs, req);
+ret2 = cbw_snapshot_read_unlock(bs, req);
-return ret;
+r
Currently, behavior on copy-before-write operation failure is simple:
report error to the guest.
Let's implement alternative behavior: break the whole copy-before-write
process (and corresponding backup job or NBD client) but keep guest
working. It's needed if we consider guest stability as more i
